Adjustable trailer hitch



FIG. 1 is a perspective front, right side and top view of the adjustable trailer hitch.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines illustrate portions of the adjustable trailer hitch that form no part of the claimed design. 

CLAIM The ornamental design for an adjustable trailer hitch, as shown and described. 